Display screen or portion thereof with a graphical user interface for analytics



FIG. 1 is a front view of a display screen or portion thereof with agraphical user interface for analytics showing the new design withenvironment in broken lines; and,

FIG. 2 is a front view of the display screen or portion thereof with thegraphical user interface for analytics showing the new design withadditional environment in broken lines.

Within the drawings, the broken lines show the display screen or portionthereof and the portions of the graphical user interface which areexcluded from the claim and form no part of the claimed design.

CLAIM The ornamental design for a display screen or portion thereof witha graphical user interface for analytics, as shown and described.